linux-kernel - Re: [PATCH 1/4] dt-bindings: mtd: jedec,spi-nor: Add Winbond W25Q(32/64/128/256)JWM

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Message-ID: <2vxz5x93818a.fsf@kernel.org>
Date: Thu, 15 Jan 2026 13:16:53 +0000
From: Pratyush Yadav <pratyush@...nel.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: robh@...nel.org,  krzk+dt@...nel.org,  conor+dt@...nel.org,
  tudor.ambarus@...aro.org,  pratyush@...nel.org,  mwalle@...nel.org,
  miquel.raynal@...tlin.com,  richard@....at,  vigneshr@...com,
  lgirdwood@...il.com,  broonie@...nel.org,  matthias.bgg@...il.com,
  julien.massot@...labora.com,  eugen.hristev@...aro.org,
  jiaxin.yu@...iatek.com,  shane.chien@...iatek.com,
  devicetree@...r.kernel.org,  linux-kernel@...r.kernel.org,
  linux-mtd@...ts.infradead.org,  linux-sound@...r.kernel.org,
  linux-arm-kernel@...ts.infradead.org,
  linux-mediatek@...ts.infradead.org,  kernel@...labora.com
Subject: Re: [PATCH 1/4] dt-bindings: mtd: jedec,spi-nor: Add Winbond
 W25Q(32/64/128/256)JWM

On Thu, Jan 15 2026, AngeloGioacchino Del Regno wrote:

> Add Winbond W25Q32JWM, W25Q64JWM, W25Q128JWM, W25Q256JWM to the
> allowed compatible strings pattern.
>
> This also resolves a dtbs_check warning happening on all of the
> MediaTek MT8192 Chromebooks devicetrees (for winbond,w25q64jwm).

We normally don't allow adding any more device-specific compatibles.
This list here is only for legacy DTS. You should be using
"jedec,spi-nor" in your device trees.

>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> ---
>  Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
> index 587af4968255..2db446c9ca9b 100644
> --- a/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
> +++ b/Documentation/devicetree/bindings/mtd/jedec,spi-nor.yaml
> @@ -29,7 +29,7 @@ properties:
>                (sst,)?sst26wf016b|\
>                (sst,)?sst25wf(040b|080)|\
>                winbond,w25x(80|32)|\
> -              (winbond,)?w25q(16|32(w|dw)?|64(dw)?|80bl|128(fw)?|256))$"
> +              (winbond,)?w25q(16|32(w|dw)?|64(dw|jwm)?|80bl|128(fw|jwm)?|256(jwm)?))$"
>            - const: jedec,spi-nor
>        - items:
>            - enum:

-- 
Regards,
Pratyush Yadav